linux-kernel - [PATCH] bus: fsl-mc: fsl-mc-bus: Use devm_platform_ioremap

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Message-Id: <20210720125050.28064-1-tangbin@cmss.chinamobile.com>
Date:   Tue, 20 Jul 2021 20:50:50 +0800
From:   Tang Bin <tangbin@...s.chinamobile.com>
To:     stuyoder@...il.com, laurentiu.tudor@....com
Cc:     linux-kernel@...r.kernel.org,
        Tang Bin <tangbin@...s.chinamobile.com>,
        Zhang Shengju <zhangshengju@...s.chinamobile.com>
Subject: [PATCH] bus: fsl-mc: fsl-mc-bus: Use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() instead of
platform_get_resource() + devm_ioremap_resource().

Signed-off-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
---
 drivers/bus/fsl-mc/fsl-mc-bus.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 380ad1fdb745..472f0daf4271 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -1080,12 +1080,9 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, mc);
 
-	plat_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (plat_res) {
-		mc->fsl_mc_regs = devm_ioremap_resource(&pdev->dev, plat_res);
-		if (IS_ERR(mc->fsl_mc_regs))
-			return PTR_ERR(mc->fsl_mc_regs);
-	}
+	mc->fsl_mc_regs = devm_platform_ioremap_resource(pdev, 1);
+	if (IS_ERR(mc->fsl_mc_regs))
+		return PTR_ERR(mc->fsl_mc_regs);
 
 	if (mc->fsl_mc_regs) {
 		/*
-- 
2.18.2